JP7371693B2 - 検出システム、検出方法、及び検出装置 - Google Patents

検出システム、検出方法、及び検出装置 Download PDF

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JP7371693B2
JP7371693B2 JP2021550756A JP2021550756A JP7371693B2 JP 7371693 B2 JP7371693 B2 JP 7371693B2 JP 2021550756 A JP2021550756 A JP 2021550756A JP 2021550756 A JP2021550756 A JP 2021550756A JP 7371693 B2 JP7371693 B2 JP 7371693B2
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environmental
optical fiber
environmental pattern
pattern
period
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JPWO2021064797A5 (https=
JPWO2021064797A1 (https=
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崇 小島
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NEC Corp
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NEC Corp
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
    • G01D5/35354—Sensor working in reflection
    • G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
JP2021550756A 2019-09-30 2019-09-30 検出システム、検出方法、及び検出装置 Active JP7371693B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/038524 WO2021064797A1 (ja) 2019-09-30 2019-09-30 検出システム、検出方法、及び検出装置

Publications (3)

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JPWO2021064797A1 JPWO2021064797A1 (https=) 2021-04-08
JPWO2021064797A5 JPWO2021064797A5 (https=) 2022-05-24
JP7371693B2 true JP7371693B2 (ja) 2023-10-31

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JP2021550756A Active JP7371693B2 (ja) 2019-09-30 2019-09-30 検出システム、検出方法、及び検出装置

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US (1) US12222248B2 (https=)
JP (1) JP7371693B2 (https=)
WO (1) WO2021064797A1 (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002140774A (ja) 2000-11-01 2002-05-17 Sumitomo Forestry Co Ltd 住宅管理方法
JP2005257570A (ja) 2004-03-12 2005-09-22 Kajima Corp 光ファイバによる構造物の診断方法及びシステム
US20100290734A1 (en) 2009-05-14 2010-11-18 Celight, Inc. Optical sensor for detecting and localizing events
JP2017220981A (ja) 2016-06-03 2017-12-14 東芝プラントシステム株式会社 電路温度監視システム、電路温度監視装置および電路温度監視方法
JP2018190428A (ja) 2015-02-17 2018-11-29 富士通株式会社 判定装置、判定方法および判定プログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3312575B2 (ja) 1997-03-25 2002-08-12 日立電線株式会社 地形変位検知用光ファイバセンサの布設方法及び地形変位検知装置
JP3534659B2 (ja) 1999-08-30 2004-06-07 財団法人鉄道総合技術研究所 トンネルひび割れ検知方法及び装置
US8398546B2 (en) * 2000-06-16 2013-03-19 Bodymedia, Inc. System for monitoring and managing body weight and other physiological conditions including iterative and personalized planning, intervention and reporting capability
JP4418376B2 (ja) 2005-01-26 2010-02-17 株式会社クレヴァシステムズ 侵入検知センサー
WO2007008431A2 (en) * 2005-07-06 2007-01-18 The Penn State Research Foundation A networked multiband waveguide intrusion detection and localization sensor
JP4665779B2 (ja) 2006-01-27 2011-04-06 パナソニック電工株式会社 フェンス振動センサ装置
US20090195401A1 (en) * 2008-01-31 2009-08-06 Andrew Maroney Apparatus and method for surveillance system using sensor arrays
US9000918B1 (en) * 2013-03-02 2015-04-07 Kontek Industries, Inc. Security barriers with automated reconnaissance
GB201408130D0 (en) * 2014-05-08 2014-06-25 Optasense Holdings Ltd Improvements in fibre optic distributed sensing
US9268938B1 (en) * 2015-05-22 2016-02-23 Power Fingerprinting Inc. Systems, methods, and apparatuses for intrusion detection and analytics using power characteristics such as side-channel information collection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002140774A (ja) 2000-11-01 2002-05-17 Sumitomo Forestry Co Ltd 住宅管理方法
JP2005257570A (ja) 2004-03-12 2005-09-22 Kajima Corp 光ファイバによる構造物の診断方法及びシステム
US20100290734A1 (en) 2009-05-14 2010-11-18 Celight, Inc. Optical sensor for detecting and localizing events
JP2018190428A (ja) 2015-02-17 2018-11-29 富士通株式会社 判定装置、判定方法および判定プログラム
JP2017220981A (ja) 2016-06-03 2017-12-14 東芝プラントシステム株式会社 電路温度監視システム、電路温度監視装置および電路温度監視方法

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WO2021064797A1 (ja) 2021-04-08
US20220334006A1 (en) 2022-10-20
US12222248B2 (en) 2025-02-11
JPWO2021064797A1 (https=) 2021-04-08

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